Fatal error

Hi!

I’ve got this problem

Fatal error: Uncaught Error: Call to a member function permalink() on boolean in /home/sobaka-pav/dk-moskvor.ru/docs/wp-content/plugins/theatre/functions/wpt_calendar.php:231 Stack trace: #0 /home/sobaka-pav/dk-moskvor.ru/docs/wp-content/plugins/theatre/functions/wpt_calendar.php(377): WPT_Calendar->html() #1 /home/sobaka-pav/dk-moskvor.ru/docs/wp-includes/shortcodes.php(345): WPT_Calendar->shortcode(”, ”, ‘wpt_calendar’) #2 [internal function]: do_shortcode_tag(Array) #3 /home/sobaka-pav/dk-moskvor.ru/docs/wp-includes/shortcodes.php(223): preg_replace_callback(‘/\\[(\\[?)(wpt_ca…’, ‘do_shortcode_ta…’, ‘[wpt_calendar]’) #4 /home/sobaka-pav/dk-moskvor.ru/docs/wp-content/themes/Divi/includes/builder/class-et-builder-element.php(689): do_shortcode(‘[wpt_calendar]’) #5 /home/sobaka-pav/dk-moskvor.ru/docs/wp-includes/shortcodes.php(345): ET_Builder_Element->_shortcode_callback(Array, ‘[wpt_calendar]’, ‘et_pb_code’) #6 [internal function]: do_shortcode_tag(Array) #7 /home/sobaka-pav/dk-moskvor.ru/docs/wp-includes/shortcod in /home/sobaka-pav/dk-moskvor.ru/docs/wp-content/plugins/theatre/functions/wpt_calendar.php on line 231

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